11. From the point
of view of the programmer, what are the major advantages of using a high-level
language rather than internal machine code or assembly language ?
(A) Program portability (B)
Easy development
(C) Efficiency (D)
None of the above
Answer: B
12. What features
make C++ so powerful ?
(A) Easy implementation (B)
Reusing old code
(C) Easy memory management (D)
All of the above
Answer: D
13. The goal of
operator overloading is
(A) to help the user of a class
(B) to help the developer of a class
(C) to help define friend function
(D) None of the above
Answer: A
14. The scheme of
which interpreter translates the source program is known as
(A) Paragraph by paragraph
(B) Instruction by instruction
(C) Line by line
(D) None of the above
Answer: C
15. Portable
program means
(A) Program with wheels (B)
Independent from its authors
(C) Independent of platform (D)
None of the above
Answer: C
16. Which of the
following is the recovery management technique in DDBMS ?
(A) 2PC (Two Phase Commit) (B)
Backup
(C) Immediate update (D)
All of the above
Answer: D
17. Which of the
following is the process by which a user’s privileges ascertained ?
(A) Authorization (B) Authentication
(C) Access Control (D) None of these
Answer: A
18. The basic
variants of time-stampbased method of concurrency control are
(A) Total time stamp-ordering
(B) Partial time stamp ordering
(C) Multiversion Time stamp ordering
(D) All of the above
Answer: D
19. A transaction
can include following basic database access operations :
(A) Read_item(X) (B) Write_item(X)
(C) Both (A) and (B) (D) None of these
Answer: C
20. Decomposition
help in eliminating some of the problems of bad design
(A) Redundancy (B) Inconsistencies
(C) Anomalies (D) All of the above
Answer: D
1 Comments
17th question answer is access control
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